PHYSICS

FIRST-TERM SCHEME OF WORK

WEEK 2                   HEAT ENERGY 2 (TEMPERATURE AND ITS MEASUREMENT)

• Definitions of terms
• Measurement of temperature
• Fixed temperature
• Upper fixed temperature
• Lower fixed temperature
• Converting from one temperature scale to another
• Types of Thermometers
• Sensitivity of a liquid-in-glass as a thermometric liquid
• Sensitivity of a liquid as a thermometric liquid
• Advantages of mercury over alcohol as a thermometric liquid
• Advantages of alcohol over mercury as a thermometric liquid
• Clinical thermometer
• Maximum and Minimum thermometer
• Gas thermometer
• Resistance thermometers

WEEK 3 & 4           MEASUREMENT OF HEAT ENERGY

• Definition of Terms
• Determination of Specific heat capacity
• Change of state
• Processes of change of state
• Latent heat (fusion and vaporization)
• Specific Latent heat (fusion and vaporization)
• Determination of specific latent heat
• Evaporation
• Factors affecting the rate of evaporation
• Cooling by evaporation
• Vaporization (boiling)
• Effect of pressure and impurities on freezing/melting and on boiling point
• Saturated and Unsaturated vapour
• Variation of S.V.P with temperature
• Boiling point, determination of boiling point
• Humidity, Relative Humidity
• Dew Point

WEEK 5                   GAS LAWS

• Measurement of gas pressure
• The Barometer
• Faulty Barometer
• Practical Barometer
• The magnitude of atmospheric pressure
• Boyle’s Law
• Calculations of atmospheric pressure applying Boyle’s law
• Charles law
• The pressure (Gay –Lussac’s) law
• The General Gas Law
• Standard Temperature and Pressure
• Kinetic Molecular Theory of Gas and its explanation of the Gas Laws

WEEK 6                   WAVES

• Wave Motion
• Classification of waves
• Production and propagation of mechanical waves
• The ripple tank
• Pulse
• Wavefronts
• Progressive wave-transverse, longitudinal wave
• Wave representation
• Terms used in describing waves
• Stationary wave
• The mathematical relation between frequency, wavelength and velocity
• Mathematical representation of wave motion
• Properties of wave
• Polarization of light
• Application of Polaroid’s
• Polarization by reflection

WEEK 8       LIGHT WAVES

• Sources of Light
• Luminous and non-luminous bodies
• Transmission of light
• Rays and beams of light
• The ray box
• Rectilinear propagation of light
• Shadows
• Eclipses – of the sun/annular, of the moon
• The Pinhole Camera
• Reflection of light waves
• The principle of reversibility of light
• Image formation by a plane mirror
• Virtual and real images
• Characteristics of plane mirror images
• Inclined mirrors
• Application of inclined mirrors
• Mirrors rotation
• Reflection of light by curved or spherical mirrors
• Definition of terms
• The principal focus
• Focal length
• Formation of images by a curved mirror
• Ray diagrams of images
• Determination of focal length of curved mirrors
• Linear Magnification

WEEK 9 & 10         REFRACTION OF LIGHT WAVES

• Refraction of light at plane surfaces-through rectangular glass block/prism
• Laws of refraction
• Verification of Snell’s law of refraction
• The general relation between n and sin i
• The real and apparent depth
• Effect of refraction of light at plane surfaces
• Total internal reflection and critical angle
• Conditions for total internal reflection
• Applications of total internal reflection
• Optical fibres
• Laser
• Refraction of light through triangular glass prisms
• Advantages of prisms over mirrors
• Dispersion of white light
• Colour
• Refraction of light curved surfaces-through lenses
• Types of lenses
• Ray diagrams of images in lenses
• Power of lens
• Lens formula, sign convention
• Magnification
• Determination of the focal length of a converging lens
• Problems of a converging lens and diverging lens

SECOND TERM SCHEME OF WORK